Received: by 10.213.65.68 with SMTP id h4csp925407imn; Sun, 25 Mar 2018 18:18:25 -0700 (PDT) X-Google-Smtp-Source: AG47ELtShmJza8OY7uHHuZe8dgC7jZj7Nub9OYuq6nWcpW1aaCUB5zKL9NUf5oTmG/VtFBnpIFAA X-Received: by 10.99.95.144 with SMTP id t138mr26317983pgb.94.1522027105746; Sun, 25 Mar 2018 18:18:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1522027105; cv=none; d=google.com; s=arc-20160816; b=jAOlcZVXMo9L/DU0/Ke7rjMg3Qs2WipXPksZhW+GDgZ3nffWII8/06N6K1/Lkm/z+R KsFH1j5mQlydt3UVMECESdxsj3Ra9IT4ENvF63ndGpomnIjiZx5t0xEcypAiqdQr5XO0 CDET4EKDTPS+KDaJg7YkVOBmnOSbcHDSddjPbWuiTgD6i+e0x2miXS0qgAR8Xmq8YRgm lbVBlbOPpOCLG18zjD39OCe6Wgo6CdMS6h2t1eIXczDXhrAiBV/Gdwk+Ka0bCIAI1lty 78vj8D1a025Ywi80BXsUD2VJv7vqvE3VHIrIvR5V37bSyJ3G+AYrQ4fMTuLhx+3rrpoZ E5JQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date :arc-authentication-results; bh=3tARfw7nrotEl5GHm7Y9+q3B70CyhzDmN3urZvotDMs=; b=KpF6fXmKYD37jXgXJ5H6+x/z07+Qfd/icfUVR1TxxaltIz4RGPgJLNyDePxYD7D9co e+XLt0W/e7aS6ewab/PbLCf6EAGbbhFTmGVZHv4id1k1nEE9VVVs9FYWgEf5KytMsnNG V66gFVMhxedAJfWs6WAuWO+KEOcVs5c01VDbbXnLm2zGYn8lI4zjlGbWsCy6MWZyLL37 5mgY1Ti/a+IfVgxy9GvArbP4P4A7pCW2iwLjbatUjn4O2iS0SCSagILjx4C4Rz1l2zzy UMjwkAEb/Flwvy+MCIbmZR90KGQyyFA7w00u4GRAkIH+38kSw7w7P1XPvufON47cuuDb QBGg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y16si9462489pgv.165.2018.03.25.18.18.00; Sun, 25 Mar 2018 18:18:25 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751713AbeCZBPf (ORCPT + 99 others); Sun, 25 Mar 2018 21:15:35 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:44340 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750839AbeCZBPe (ORCPT ); Sun, 25 Mar 2018 21:15:34 -0400 Received: from localhost (pool-173-77-163-229.nycmny.fios.verizon.net [173.77.163.229]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 7CABE146777EF; Sun, 25 Mar 2018 18:15:33 -0700 (PDT) Date: Sun, 25 Mar 2018 21:15:32 -0400 (EDT) Message-Id: <20180325.211532.2200869889572938343.davem@davemloft.net> To: glider@google.com Cc: dvyukov@google.com, edumazet@google.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] netlink: make sure nladdr has correct size in netlink_connect() From: David Miller In-Reply-To: <20180323124902.41625-1-glider@google.com> References: <20180323124902.41625-1-glider@google.com> X-Mailer: Mew version 6.7 on Emacs 25.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Sun, 25 Mar 2018 18:15:33 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexander Potapenko Date: Fri, 23 Mar 2018 13:49:02 +0100 > KMSAN reports use of uninitialized memory in the case when |alen| is > smaller than sizeof(struct sockaddr_nl), and therefore |nladdr| isn't > fully copied from the userspace. > > Signed-off-by: Alexander Potapenko > Fixes: 1da177e4c3f41524 ("Linux-2.6.12-rc2") > --- > v2: fixed a typo spotted by Eric Dumazet Applied and queued up for -stable, thank you.